Home / 13,692,427.62-18,896,817.70-7,580,856.12

Finding the Fourth Proportional to 13,692,427.62, 18,896,817.70 and 7,580,856.12

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Solution

The fourth proportional to 13,692,427.62, 18,896,817.70 and 7,580,856.12 is: 10,462,283.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,692,427.62 : 18,896,817.70 = 7,580,856.12 : x
  2. Step 2: Convert to fraction form
    13,692,427.62/18,896,817.70 = 7,580,856.12/x
  3. Step 3: Cross multiply
    13,692,427.62x = 18,896,817.70 × 7,580,856.12
  4. Step 4: Simplify right side
    13,692,427.62x = 143,254,056,005,540
  5. Step 5: Solve for x
    x = 143,254,056,005,540/13,692,427.62
  6. Step 6: Final answer
    x = 10,462,283.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.